Changes between Version 18 and Version 19 of PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools/test

Timestamp:

Aug 28, 2012, 1:25:09 PM (12 years ago)

Author:

qliu

Comment:

—

PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools/test

@@ -81 +81 @@
 }}}
     result: same as test_eudist_1_a_i_4.gif[[BR]][[BR]]
-
----- 1-b: Source geometry completely outside of the extent of the desired raster:
------- 1-b-i: Generate Euclidean Distance from a one-band reference raster
--------- 1-b-i-1: Snap is True; Max distance NOT specified:
+[[BR]]
+ 1-b: Source geometry completely outside of the extent of the desired raster:
+{{{
+#!sql
+CREATE TABLE test_source_raster_1_b AS SELECT 1 AS rid,rast FROM (SELECT ST_MakeEmptyRaster(10,10,-10,-12,1,1,0,0,4326) AS rast)foo;
+CREATE TABLE test_source_geometry_1_b AS SELECT generate_series(1,10) AS id,ST_RandomPoints(the_geom,10) AS the_geom FROM (SELECT ST_SetSRID(ST_Extent(rast::geometry),4326) AS the_geom FROM test_source_raster_1_b)foo;
+}}}
+  1-b-i: Generate Euclidean Distance from a one-band reference raster:
+   1-b-i-1: Snap is True; Max distance NOT specified:
+{{{
+#!
+sql
+CREATE TABLE test_eudist_1_b_i_1 AS (SELECT 1 AS rid,ST_EuclideanDistance(rast,'32BF','public','test_source_geometry_1_b','the_geom',True) AS rast FROM test_ref_raster_1);
+}}}
+    result:[[BR]][[BR]]
+    [[Image(test_eudist_1_b_i_1.gif)]][[BR]]
 -------- 1-b-i-2: Snap is False; Max distance NOT specified:
 -------- 1-b-i-3: Snap is True; Max distance is specified: